A London pawnbroker's sign - ростовщик, ломбард
..According to legend, a Medici employed by Charlemagne slew a giant using three bags of rocks.
..Throughout the Middle Ages, coats of arms bore three balls, orbs, plates, discs, coins and more as symbols of monetary success.
Saint Nicholas is the patron saint of pawnbrokers. The symbol has also been attributed to the story of Nicholas giving a poor man's three daughters each a bag of gold so they could get married.<17>